Home / 70,758,890.20-106,138,929.46-19,644,894.84

Finding the Fourth Proportional to 70,758,890.20, 106,138,929.46 and 19,644,894.84

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Solution

The fourth proportional to 70,758,890.20, 106,138,929.46 and 19,644,894.84 is: 29,467,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,758,890.20 : 106,138,929.46 = 19,644,894.84 : x
  2. Step 2: Convert to fraction form
    70,758,890.20/106,138,929.46 = 19,644,894.84/x
  3. Step 3: Cross multiply
    70,758,890.20x = 106,138,929.46 × 19,644,894.84
  4. Step 4: Simplify right side
    70,758,890.20x = 2,085,088,107,671,877.75
  5. Step 5: Solve for x
    x = 2,085,088,107,671,877.75/70,758,890.20
  6. Step 6: Final answer
    x = 29,467,507.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.